@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-app:#1e1e1e;--bg-surface:#2a2a2a;--bg-surface-elevated:#333;--text-primary:#fff;--text-muted:#a0a0a0;--accent:#5e5ce6;--bg-highlight:#fff3;--font-family:"Inter", system-ui, -apple-system, sans-serif;--base-font-size:16px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-family);font-size:var(--base-font-size);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:text;user-select:text;overscroll-behavior-y:none;line-height:1.4}#app{flex-direction:column;min-height:100vh;display:flex}p,h1,h2,h3,h4,h5,h6,ul,ol,blockquote{margin-bottom:.5rem}h1,h2,h3,h4,h5,h6{letter-spacing:-.01em;margin-top:1rem;font-weight:600;line-height:1.2}h1{font-size:1.8rem}h2{font-size:1.4rem}h3{font-size:1.2rem}.active-word{background-color:var(--bg-highlight);color:var(--text-primary);border-radius:4px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff26 padding-box padding-box;border:2px solid #0000;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.header-toggle{-webkit-backdrop-filter:blur(10px);z-index:10;background-color:#1e1e1ecc;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.header-title{letter-spacing:-.02em;font-size:1.25rem;font-weight:600}.toggle-btn{color:var(--text-primary);cursor:pointer;background-color:#0000;border:1px solid #ffffff1a;border-radius:8px;padding:.5rem 1rem;font-size:.9rem;font-weight:500;transition:background-color .2s,border-color .2s}.toggle-btn:hover{background-color:#ffffff0d;border-color:#fff3}.toggle-btn:active{transform:scale(.98)}.editor-container{flex:1;width:100%;padding:.5rem}.reader-container{flex:1;width:100%;padding:.5rem .5rem 6rem}.editor-textarea{width:100%;color:var(--text-primary);resize:none;font-family:var(--font-family);background-color:#0000;border:none;outline:none;min-height:calc(100vh - 100px);padding:0;font-size:1.1rem;line-height:1.4;overflow:hidden}.sidebar-overlay{-webkit-backdrop-filter:blur(2px);z-index:100;background-color:#0009;transition:opacity .3s;position:fixed;inset:0}.sidebar-content{background-color:#141414;flex-direction:column;width:320px;transition:transform .3s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;top:0;bottom:0;left:0;box-shadow:2px 0 20px #00000080}.sidebar-header{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:1.5rem;transition:color .2s}.close-btn:hover{color:var(--text-primary)}.new-doc-btn{color:#000;cursor:pointer;background-color:#fff;border:none;border-radius:8px;margin:1.5rem;padding:.75rem;font-weight:600;transition:opacity .2s,transform .1s}.new-doc-btn:hover{opacity:.9}.new-doc-btn:active{transform:scale(.98)}.doc-list{flex:1;list-style:none;overflow-y:auto}.doc-item{cursor:pointer;border-bottom:1px solid #ffffff05;justify-content:space-between;align-items:center;padding:1rem 1.5rem;transition:background-color .2s;display:flex}.doc-item:hover{background-color:#ffffff05}.doc-item.active{background-color:#ffffff0d;border-left:4px solid #fff}.doc-title{margin-bottom:.25rem;font-weight:500}.doc-date{color:var(--text-muted);font-size:.8rem}.delete-btn{color:var(--text-muted);cursor:pointer;opacity:0;background:0 0;border:none;padding:.5rem;transition:opacity .2s,color .2s}.doc-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:#ff4d4d}.empty-state{text-align:center;color:var(--text-muted);padding:2rem 1.5rem}